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Table 2 Comparison of the End-Systolic Global Circumferential and radial strains between different methods on the ACDC dataset

From: Improve myocardial strain estimation based on deformable groupwise registration with a locally low-rank dissimilarity metric

Method

 

ES GCS (%)

 

ES GRS (%)

 

DCM

MI

ARV

HCM

NOR

 

DCM

MI

ARV

HCM

NOR

Farneback

 

-5.5 ± 2.6

es = 0.38

-7.8 ± 2.3

es = 0.27

-14.2 ± 3.8

es = 0.03

-12.4 ± 3.1*

es = 0.61

-16.9 ± 2.1

es = 0.29

 

10.0 ± 5.4*

es = 0.88

19.5 ± 8.3*

es = 0.73

22.1 ± 7.8*

es = 0.88

39.8 ± 16.8*

es = 0.45

32.1 ± 6.0*

es = 0.88

Pairwise

 

-5.6 ± 2.2*

es = 0.75

-8.3 ± 2.5*

es = 0.46

-14.5 ± 3.4

es = 0.36

-14.5 ± 3.3*

es = 0.48

-16.8 ± 2.3

es = 0.26

 

11.2 ± 6.5*

es = 0.81

20.4 ± 8.9*

es = 0.85

29.7 ± 8.2*

es = 0.82

37.8 ± 13.2*

es = 0.72

40.3 ± 10.2*

es = 0.79

Groupwise-

GLR

 

-5.7 ± 2.2*

es = 0.77

-8.6 ± 2.5*

es = 0.77

-14.9 ± 3.7*

es = 0.58

-15.3 ± 2.9*

es = 0.83

-17.6 ± 1.9*

es = 0.82

 

12.5 ± 7.0*

es = 0.77

24.2 ± 9.6*

es = 0.74

35.5 ± 10.8*

es = 0.68

40.4 ± 15.3*

es = 0.69

42.4 ± 10.6*

es = 0.75

Groupwise-

LLR

 

-5.1 ± 2.1

-8.0 ± 2.2

-14.1 ± 3.5

-13.9 ± 2.8

-16.4 ± 2.0

 

14.4 ± 7.7

27.5 ± 9.9

32.9 ± 10.9

44.0 ± 13.3

48.4 ± 11.6

  1. *: Significantly different from the strain estimated by Groupwise-LLR according to the two-tailed Wilcoxon signed rank test. ES = end-systolic; GCS = global circumferential strain; GRS = global radial strain; DCM = dilated cardiomyopathy; MI = myocardial infarction; ARV = abnormal right ventricle; HCM = hypertrophic cardiomyopathy; NOR = normal cardiac anatomy and function; es = effect size